
\begin{table}
\caption{Robustness Check: Linear Regression Results for Attacks against Civilians in Civil Wars (Matched Sample)}
\begin{center}
\scalebox{0.8}{
\begin{tabular}{l c c c c}
\toprule
 & \multicolumn{1}{c}{Any Material Support} & \multicolumn{3}{c}{Disaggregated Material Support} \\
\cmidrule(lr){2-2} \cmidrule(lr){3-5}
 & Model 1 & Model 2 & Model 3 & Model 4 \\
\midrule
Lagged DV (Prop Attacks Against Civilians) & $0.456^{***}$  & $0.465^{***}$ & $0.458^{***}$  & $0.459^{***}$  \\
                                           & $(0.018)$      & $(0.018)$     & $(0.018)$      & $(0.018)$      \\
Pro-Rebel Resolution                       & $-0.036^{*}$   & $-0.036^{*}$  & $-0.035^{*}$   & $-0.035^{*}$   \\
                                           & $(0.021)$      & $(0.021)$     & $(0.021)$      & $(0.021)$      \\
Pro-Government Resolution                  & $-0.209^{**}$  & $-0.227^{**}$ & $-0.213^{**}$  & $-0.223^{**}$  \\
                                           & $(0.088)$      & $(0.089)$     & $(0.088)$      & $(0.088)$      \\
Previous Pro Reb Res,Count                 & $0.001^{**}$   & $0.001^{**}$  & $0.001^{**}$   & $0.001^{**}$   \\
                                           & $(0.000)$      & $(0.000)$     & $(0.000)$      & $(0.000)$      \\
Previous Pro Gov Res,Count                 & $0.016^{*}$    & $0.014$       & $0.015$        & $0.008$        \\
                                           & $(0.009)$      & $(0.010)$     & $(0.009)$      & $(0.009)$      \\
Any Pro-Rebel Support                      & $-0.169^{***}$ &               &                &                \\
                                           & $(0.044)$      &               &                &                \\
Any Pro-Government Support                 & $0.097^{*}$    &               &                &                \\
                                           & $(0.052)$      &               &                &                \\
Pro Reb Intervention, Troops               &                & $-0.075$      &                &                \\
                                           &                & $(0.161)$     &                &                \\
Pro Gov Intervention, Troops               &                & $-0.149$      &                &                \\
                                           &                & $(0.106)$     &                &                \\
Pro Reb Intervention, Weapons              &                &               & $-0.120^{***}$ &                \\
                                           &                &               & $(0.037)$      &                \\
Pro Gov Intervention, Weapons              &                &               & $-0.008$       &                \\
                                           &                &               & $(0.054)$      &                \\
Pro Reb Intervention, Economic             &                &               &                & $-0.110^{***}$ \\
                                           &                &               &                & $(0.033)$      \\
Pro Gov Intervention, Economic             &                &               &                & $0.202^{*}$    \\
                                           &                &               &                & $(0.104)$      \\
Physical Integrity Rights                  & $0.015^{**}$   & $0.010$       & $0.014^{*}$    & $0.012$        \\
                                           & $(0.008)$      & $(0.008)$     & $(0.008)$      & $(0.008)$      \\
Logged GDP per capita                      & $0.055^{***}$  & $0.066^{***}$ & $0.055^{***}$  & $0.057^{***}$  \\
                                           & $(0.011)$      & $(0.011)$     & $(0.011)$      & $(0.011)$      \\
Logged Population                          & $0.005$        & $0.001$       & $0.004$        & $0.003$        \\
                                           & $(0.010)$      & $(0.009)$     & $(0.010)$      & $(0.009)$      \\
Rebel Strength                             & $0.114^{***}$  & $0.110^{***}$ & $0.107^{***}$  & $0.107^{***}$  \\
                                           & $(0.021)$      & $(0.021)$     & $(0.021)$      & $(0.021)$      \\
Cold War                                   & $-0.024$       & $-0.014$      & $-0.020$       & $-0.020$       \\
                                           & $(0.017)$      & $(0.016)$     & $(0.016)$      & $(0.017)$      \\
Count of Rebel Groups                      & $0.007$        & $0.001$       & $0.007$        & $0.006$        \\
                                           & $(0.009)$      & $(0.009)$     & $(0.009)$      & $(0.009)$      \\
Conflict Duration                          & $0.000^{**}$   & $0.000^{*}$   & $0.000^{*}$    & $0.000^{**}$   \\
                                           & $(0.000)$      & $(0.000)$     & $(0.000)$      & $(0.000)$      \\
Intercept                                  & $-0.149$       & $-0.183$      & $-0.140$       & $-0.143$       \\
                                           & $(0.179)$      & $(0.178)$     & $(0.178)$      & $(0.178)$      \\
\midrule
R$^2$                                      & $0.359$        & $0.356$       & $0.358$        & $0.358$        \\
Adj. R$^2$                                 & $0.355$        & $0.352$       & $0.354$        & $0.354$        \\
Num. obs.                                  & $2392$         & $2392$        & $2392$         & $2392$         \\
\bottomrule
\multicolumn{5}{l}{\scriptsize{$^{***}p<0.01$; $^{**}p<0.05$; $^{*}p<0.1$}}
\end{tabular}
}
\label{tab:match}
\end{center}
\end{table}
